Method of making heat exchangers

Details Method of making heat exchangers Method of making heat exchangers

1980-10-20

1982-05-25

Larson, Lowell A.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291573B, 29727, B21D 5302, B23P 1526

Patent

active

043309135

ABSTRACT:
The method of making elongated heat exchangers having outwardly projecting fins disposed at various angles to the length and width of the heat exchangers wherein elongated tubular members are fed longitudinally past cutters which are reciprocated into and out of the tubular members in skiving actions and the angles of the cutters relative to the length and width of the tubular members moving therepast are changed between at least some of the reciprocations of the cutters.

REFERENCES:
patent: 3776018 (1973-12-01), French
patent: 3781959 (1974-01-01), O'Connor
patent: 3791003 (1974-02-01), Pasternak
patent: 3886639 (1975-06-01), Pasternak

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